HP 13255 Manual

13255

POWER

SUPPLY

MODULE

Manual

Part

No.

13255-91142

REVISED

SEP-06-77

-----~---

-.-------

----------"--

----

----_._--_.-

-------------------

----

DATA

TERMINAL

TECHNICAL

INFORMATION

HEWLETT

iii

PACKARD

Printed

U.S.A.

13255

Power

Supply

Modul~

1.0

INTRODUCTION.

13255-91142/02

Rev

SEP-06-77

The

Pow~r

Supply

Module

generates

the

following

required

voltages

for

the

264XX

Data

Terminal

product

line:

volts

amperes,

+12

volts

1.5

amperes,

-12

volts

1.5

amperes,

and

-42

volts

0.6

amperes.

Either

one

the

12-volt

supplies

may

loaded

amperes

continuouslY,

long

the

other

12-volt

supply

current

reduced

tnat

the

total

current

from

both

supplies

does

notexceed

amperes.

The maximum

total

power

all

voltage

outputs

must

not

exceed

110

Watts.

Parts

list

for

02640-60083

contained

module

section

13255-91004.

2.0

OPERATING

PARAMEfERS.

A summary

operating

parameters

for

the

Power

Supply

Module

contained

tables

1.0

through

3.1.

TabLe

1.0

Physical

Parameters

----------------------------------~---~-------~---------~----~----~-~-~-~---~---

--------------

------------------------------------~-----------------~-~------~--

Part

I Number

Nomenclature

Size

+1-0.100

Inches

Weight

(Pounds)

1=============

==============================

=======================

=========

02640-60083

02640-60169

02640-60131)

02640-60142

02640-60148

Cable

Assemoly

Power

Supply

Control

peA

Power

Suoply

PCA

Power

Supply

Assembly

Cdble

flssembly

N/A

NIA

3.9

3.6

1.0

0.3

15.3

6.4

4.5

8.0

NtA

N/A

1==============================================================================

1 Number

BaCKplane

Slots

pequirea:

NOT

APPLICARLE

------------------------------------------------~-----

--------------------------

------------------------------------------------------

-------------------~~---~~

HE>

13255

POWER

SUPPLY

MODULE

Manual

Part

No.

13255-91142

REVISED

SEP-06-77

---------------------------------

------------~--.-------.--------

NOTICE

The

information

contained

this

document

subject

change

without

notice.

HEWLETT-PACKAKD

MAKES

wARRANTY

ANY

KIND

WITH

REGARD

THIS

MATERIAL,

INCLUDING,

BUT

1-40T

LIMITED

1'0

THE

IMPLIED

WARRANTIES

MERCHANTABILITY

A~D

FITNESS

FOR

PARTICULAR

PURPOSE.

Hewlett-Packard

shall

not

liable

for

errors

contained

herein

for

incidental

consequential

damaqes

connection

with

the

furnishing,

performance,

use

this

mat~ridl.

This

document

contains

proprietary

information

which

protected

All

rights

are

reserved.

part

this

document

may

photocopied

reproduced

witnout

the

prior

written

consent

Hewlett-

Packard

Company.

1976

HEWLETT-~ACKARD

COMPANY

NOTE::

This

document

part

the

264XX

DATA

TERMINAL

product

series

technical

Information

Package

(HP

13255).

13255

Power

Supply

Module

1.0

INTRODUCTION.

13255-91142/02

Rev

SEP-06-77

The

Power

Supply

Module

generates

the

following

required

voltages

for

the

264XX

Data

Terminal

product

line:

volts

amperes,

+12

volts

1.5

amperes,

-12

volts

1.5

amperes,

and

-42

volts

0.6

amperes.

Either

one

the

12-volt

supplies

may

loaded

amperes

continuously,

long

the

other

12-volt

supply

current

reduced

that

the

total

current

from

both

supplies

does

notexceed

amperes.

The maximum

total

power

all

voltage

outputs

must

not

exceed

110

watts.

Parts

list

for

02640-60083

contained

module

section

13255-91004.

2.0

OPERATING

PARAMEfERS.

A summary

operating

parameters

for

the

Power

Supply

Module

contained

tables

1.0

through

3.1.

Table

1.0

Physical

Parameters

--------------------------------------~---------------------------~---~-~---~---

-------------~

----------------------------~----~------------~------~-~--~------

Part

I Number

Nomenclature

Size

W~x

+/-0.100

Inches

Weight

(Pounds)

1=============

==============================

=======================

=========

02640-60083

02640-60169

02640-60130

02640-60142

02640-60148

Cable

AssemolY

Power

Supply

Control

PCA

Power

Supply

PCA

Power

Supply

Assembly

Cable

Assembly

N/A

3.9

3.6

1.0

0.3

15.3

6.4

4.5

8.0

N/A N/A

1==============================================================================

I Number

BaCKplane

Slots

Fequired:

NOT

APPLICARLE

--------------------------------------------------------------------------------

------------------------------------------------------

-----------~-~------~---~~

13255

13255-91142/03

Power

Supply

Module Rev

SEP-06-77

Tabl@

2.0

Reliability

and

Environmental

Information

------~---------------------------~-----------------------------~-------~---~---

-----~-------------------~-----------------------------------------------~--~--~

Environmental:

( X )

Class

( )

Other:

Restrictions:

Type

tested

product

level

==============================================================~===============

Failure

Rate:

1.552

(percent

per

1000

hours)

--------------------------------~---------------------

--------------------------

-------------------------------~--------------------------------------------~---

13255

13255-91142/04

Rev

SEP-06-77

Power

Supply

Module

laole

3.0

Connector

Information

-Power

Supply

PCA

~------------------------------------~--------------~--------------------~---~-

-------------------------------------~---------------------------------------~--

I·

Connector

Signal

and

NO.

Name

==============1================

Jl,

-1

-2

-3

-4

-5

-6

-7

-8

-9

-10

-11

-12

-13

-14

-15

J2,

-1

-2

-3

-4

through

-6

-7

-8

-9

-10

-11

+5V

+5v

+5V

GND

GNf)

GI'JD

GND

+12V

-12V

GND

+5V

+5C

+SC

Signal

Description

------------------------~---------------------

----------------------------------------------

}

Not Used

} Power

Connection

}

Backplane

}

} Not

} Used

}

Ground

Sense

Line

From

8acKplane

+5V

Output

} Not Used

}

} Power

Supply

Which Runs

} Main

Supply

Logic

}

-12

SENSE RETURN

Sense

Line

From

Primary

Current

Measuring

Transformer

-13

} Not

-14

} Used

-15

CURRENT

SENSE

Sense

Line

From

Primary

Current

Measuring

Transformer

================================================================================

13255

13255-91142/05

Power

Supply

Module Rev

SEP-06-77

Table

3.0

Connector

Information

-Power

Supply

PCA

(Cont-d.)

================================================================================

Connector

and

No. I

Signal

Name

S1gnal

Description

==============1================

==============================================

J2,

-A

+16V

Unregulated

Power From

Aux1llary

Supply

-B }

through

} Not Used

-F

}

-H

+5C

Power

Supply

Which Runs Main

Supply

Logic

-J

}

-K } Not Used

-L

}

-M

-42V

} Power

Supply

Outputs

-N

-12V

}

Used

for

Test

Purposes

-p

+12V }

-R

RASE

DRIVE

1 }

Outputs

Which

Run

Main

-S

BASE

DRIVE

2 }

Supply

Transistors

-------------- ---------------- --.------------------.------------------------

J3,

-1

-2

-3

-4

-5

-42V

+5V

+12V

GND

} Power

Connection

} Sweep

Cable

Assembly

Not Used

} Power

Connection

} Sweep

Cable

Assembly

-------------- ----------------

---------------------------------~------------

J4,

-1

-2

-3

-4

115V

NEUTRAL

GND

LINE

}

Connection

}

Line

}

--------------1----------------

-----------------------------~~--~----~-------

J5,

-1

-2

-3

-4

115V

NEUTRAL

GND

LINE

}

} Power

Connection

}

Auxilliary

Cable

Assembly

}

~-------------------~-----------------~-~-------------------~-~----------------

------------------~--------------------~~------------------~----------------~~--

13255

13255-91142/06

Power

SuPply

Module

Rev

SEP-06-77

Table

3.1

Connector

Information

power

Supply

Control

peA

------------------------------------~-~---~----~--------~-~--~------~-------~-~-

-----------~--------------------

--------------~----------------------------~---

Connector

and

No.

--------------

Jl,

-1

-2

-3

-4

-5

-6

-7

-R

-9

-10

Signal

Name

----------------

-42V

PWR

BASE

DRIVE

BASE

DRIVE

+16V

+5C

SYS eLK

GND

Signal

Description

------------~---------------------------------

-----------------~----------------------------

}

Backplane

}

Not

Used

}

} 1'0

}

Backplane

}

Not

Used

----------~-~-

------~---------

---------~-----------~------------------------

P1,

-1

GND

}

-7

G~d)

}

Power

supply

PCA

-3

+5V

}

-4

through

} Not

Used

-fi

}

-7

+5C

Power

Supply

peA

-R }

throuqh-l1

}

r~ot

Used

-11

I }

-.1:£ St;f\jSF:

RETUPN

I }

-13

SYS

CLK

I }

Power

Supply

peA

-11

PwvR

0;\1

I t

-15

CUKRE~T

SEf\ S

I }

------------------------------------------------------

~-------------------~-~---

--------------------------------------------------------------------------------

13255

Power

Supply

Module

13255-91142/01

Rev

SEP-06-11

Table

3.1

Connector

Information

-Power

supply

Control

PCA

(Cont'd.)

~---------------------------~-------~-------------~-~--~~----------------------

-~-----~--------------~-----~---

----~--~-~-~-----------------------------------

Connector

Signal

and

No.

Name

---~----------

--~----~--------

--------------

--------------~-

P1,

-A

+16V

-B

through

-L

-M

-42V

-N

-P

-R

BASE

DRIVE

-S

BASE

DRIVE

Signal

Description

-------~-------~-~-----~----------------------

-------------~---~----------------------------

Power

Supply

peA

}

} Not Used

}

Power

Supply

peA

}

} Not Used

}

Power

Supply

peA

}

================================================================================

13255

Power

Supply

Module

13255-91142/08

Rev

SEP-06-77

3.0

FUNCTIUN4L DESCRIPTION.

Refer

the

module

block

diagram

(figure

1),

sChematic

diaorams

(figures

and

3),

timing

diagram

(figure

4),

compo-

nent

location

diaqram~

(tiqures

ana

6),

ana

parts

lists

(02640-60169,

02640-60130,

02640-60142,

and

02640-60148)

located

the

appendix.

snown

the

clock

diaqraffi,

the

Power

Supply

Module

consists

two

printed-circuit

assemblies,

the

power

Supply

PCA

and

the

Power

Supply

Control

peA.

3•1

tHo:

t-\

PLY

peA.

3.1

• 1

3.1

3.1.~

The

yOWpr

~uPplv

peA

contains

all

the

high-level

electronics

the

power

su~plv.

This

assemhlv

connects

the

power

line

and

supplies

power

the

terminal

data

bus

and

Sweep

Module.

Line

Rectifier.

The

line

rectifier

block

connects

tne

power

line

and

rectifies

and

filters

the

incoming

power.

The

line

voltage

select

switching

done

fuse

location

and

confioures

the

rectifier

eittler

voltage

aoubler

(t1S-volt

operation)

bridge

rectifier

(230-volt

opera-

t i

on)

•

Logic

~ower

Supply.

The

logic

power

supply

block

also

connects

directly

the

oower

line.

Its

function

proviae

power

the

Power

supply

Control

PCA

and

driver

transistors

the

chopppr

bloCk.

The

logic

power

supply

has

two

outputs,

+16

volts

unreaulated

and

volts

regulated

(+5C).

Chopper.

The

chooper

blOCK

contains

two

power

transistors

(Q3,Q4)

the

primary

circuitry

and

two

driver

transistors

(Ql,Q2).

The

driver

transistors

are

driven

alternating

pulses

Which come

from

the

Power

Supply

Control

PCA. The

fllnction

the

chopper

clOCk

chop

tne

out-

put

from

the

line

r~ctifier

block

and

aoply

the

chopped

Signal

the

power

supply

main

transf~rmer

(T2).

The

basic

power

supply

regulation

taKes

place

durinq

this

chopping

operation

the

average

output

vol-

tage

proportional

the

width

the

pulses

applied

the

Chopper.

Current

sensing

takes

place

this

block

ana

applied

current

limit

circuit

the

Power

Supply

ContrOl

PCA.

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